Ap bio what are the major limiting nutrients in aquatic ecosystems

What materials must dams have to produce electricity, and what must occur?

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.

What happens to the amount of waste in the pond as the ecosystem ages?